package main

import (
	"flag"
	"fmt"
)

func main(){
	var name string
	flag.Parse()
	goCmd := flag.NewFlagSet("go",flag.ExitOnError)
	goCmd.StringVar(&name,"n","go language","help info")
	args := flag.Args()
	fmt.Println(args)
	goCmd.Parse(args[1:])
	fmt.Println(name)
}